(19)

(11)

EP 2 872 607 A1

(12)

(43) Date of publication: 20.05.2015 Bulletin 2015/21 (21) Application number: 13816149.2 (22) Date of filing: 14.06.2013

(51) International Patent Classification (IPC):  C10M 125/00(2006.01) C10M 159/00(2006.01) C10M 129/00(2006.01) (86) International application number: PCT/US2013/045841 (87) International publication number: WO 2014/011354 (16.01.2014 Gazette 2014/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 13.07.2012 US 201213549196 (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)	(72) Inventors: BHALLA, Gaurav San Ramon, California 94583 (US) NELSON, Kenneth Dale San Ramon, California 94583 (US) TSANG, Man Hon San Ramon, California 94583 (US) (74) Representative: Nash, David Allan  Haseltine Lake LLP Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)